*{
	padding-top:0px;
	padding-right:0px;
	padding-bottom:0px;
	padding-left:0px;
	margin-top:0px;
	margin-right:0px;
	margin-bottom:0px;
	margin-left:0px;
}
#header, #nav, #article, #aside, #footer{
	display:block;
}
body{
	width:auto;
	text-align:center;
	background-color:grey;
}
#main_block{
	text-align:left;
	width:1000px;
	text-align:left;
	margin-top:auto;
	margin-right:auto;
	margin-left:auto;
	margin-bottom:auto;
	background-color:grey;
}
#header{
	margin-top:10px;
}
#menu{
	padding-top:7px;
	padding-right:0px;
	padding-bottom:0px;
	padding-left:10px;
	list-style-type:none;
}
#menu li{
	float:left;
}
a.menu:link,a.menu:visited{
	display:block;
	color:white;
	text-decoration:none;
	padding:5px;
	background-color:black;
}
a.menu:hover,a.menu:active{
	color:black;
	background-color:white;
}
a.link:link,a.link:visited{
	display:block;
	color:black;
	text-decoration:none;
	background-color:white;
	text-align:center;
}
a.link:hover,a.link:active{
	color:white;
	background-color:black;
}
#main_content{
	width:725px;
	margin-top:10px;
	margin-right:0px;
	margin-bottom:10px;
	margin-left:10px;
	float:left;
}
#article{
	padding-top:10px;
	padding-right:10px;
	padding-bottom:10px;
	padding-left:10px;
	margin-top:10px;
	margin-right:0px;
	margin-bottom:10px;
	margin-left:0px;
	background-color:black;
	color:white;
}
#article_header{
	text-align:left;
	width:176px;
}
#article_footer{
	text-align:center;
	margin-top:15px;
	margin-right:10px;
	margin-bottom:10px;
	margin-left:10px;
}
#aside{
	width:245px;
	margin-top:10px;
	margin-right:10px;
	margin-bottom:10px;
	margin-left:10px;
	float:left;
	display:none;
}
#footer{
	padding:5px;
	margin-top:0px;
	margin-right:10px;
	margin-bottom:0px;
	margin-left:10px;
	clear:both;
	border:1px solid green;
	text-align:center;
	display:none;
}